Simplify filter destruction

app/controllers/filters_controller.rb

@@ -1,5 +1,5 @@
 class FiltersController < ApplicationController
-  before_action :set_filter, :remember_params, only: :destroy
+  before_action :set_filter, only: :destroy
 
   def create
     @filter = Current.user.filters.persist! filter_params
@@ -16,10 +16,6 @@ class FiltersController < ApplicationController
       @filter = Current.user.filters.find params[:id]
     end
 
-    def remember_params
-      @filter_params = @filter.to_params
-    end
-
     def filter_params
       params.permit(*Filter::KNOWN_PARAMS).compact_blank
     end
@@ -28,7 +24,7 @@ class FiltersController < ApplicationController
       if request.referer == root_url
         redirect_to root_path
       else
-        redirect_to bubbles_path(@filter_params)
+        redirect_to bubbles_path(@filter.to_params)
       end
     end
 end

test/controllers/filters_controller_test.rb

@@ -25,10 +25,9 @@ class FiltersControllerTest < ActionDispatch::IntegrationTest
   end
 
   test "destroy" do
-    params = filters(:jz_assignments).to_params
     assert_difference "Filter.count", -1 do
       delete filter_url(filters(:jz_assignments))
     end
-    assert_redirected_to bubbles_path(params)
+    assert_redirected_to bubbles_path(filters(:jz_assignments).params)
   end
 end